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The Mazda MX-5 Miata is a beloved sports car known for its lightweight design and nimble handling. However, many enthusiasts seek to enhance its performance, leading to the popularity of turbocharging. One of the most effective ways to achieve significant power gains is by installing a Garrett GT2871R turbo kit. This article explores how this turbo can boost your MX-5 to over 300 horsepower.
Understanding the Garrett GT2871R Turbo
The Garrett GT2871R is a popular choice among Miata enthusiasts for its ability to provide substantial power increases while maintaining reliability. This turbo is designed to support a wide range of horsepower outputs, making it suitable for both street and track applications.
- Compressor Wheel: 71mm
- Turbine Wheel: 60mm
- Maximum Boost: Up to 20 psi
Power Gains with the GT2871R
Installing the Garrett GT2871R turbo kit can lead to impressive power gains. Depending on supporting modifications and tuning, it’s possible to achieve over 300 horsepower. Here’s a breakdown of what to expect:
- Stock MX-5 Power: Approximately 140-160 hp
- With GT2871R: 300+ hp
Supporting Modifications
To maximize the potential of the GT2871R, certain supporting modifications are crucial. These upgrades ensure that the engine can handle the increased power and boost levels without compromising reliability.
- Upgraded Fuel Injectors
- High-Performance Fuel Pump
- Aftermarket Intercooler
- Exhaust System Upgrade
- ECU Tuning
Installation Process
Installing a Garrett GT2871R turbo kit requires mechanical knowledge and experience. Here’s a general overview of the installation process:
- Remove the stock intake and exhaust components.
- Install the turbo manifold and GT2871R turbo.
- Connect the oil and coolant lines.
- Install the upgraded intercooler and piping.
- Reinstall the intake and exhaust systems.
- Flash the ECU with a suitable tune.
Tuning for Optimal Performance
After installation, tuning is essential to ensure the engine runs smoothly and efficiently. A proper tune will optimize fuel delivery, ignition timing, and boost levels to achieve the desired power output while maintaining engine longevity.
Choosing a Tuner
Selecting an experienced tuner familiar with turbocharged Miatas is vital. They will have the knowledge and tools necessary to extract the best performance from your setup.
Driving Experience with the GT2871R
Once installed and tuned, the driving experience of the MX-5 changes dramatically. The added power transforms the car’s acceleration, allowing for quicker lap times and a more exhilarating ride.
- Improved Acceleration: Noticeable increase in throttle response.
- Enhanced Top Speed: Ability to reach higher speeds more quickly.
- Better Handling: Weight distribution remains favorable due to the turbo’s compact size.
Potential Challenges
While the Garrett GT2871R offers significant power gains, there are potential challenges to be aware of:
- Increased Engine Stress: More power can lead to higher wear and tear.
- Tuning Complexity: Requires expert tuning for optimal performance.
- Cost of Supporting Mods: Additional upgrades can add to the overall expense.
Conclusion
In summary, the Garrett GT2871R turbo kit is an excellent choice for MX-5 enthusiasts looking to boost their car’s performance to over 300 horsepower. With the right supporting modifications and proper tuning, you can unlock the full potential of your Miata, transforming it into a high-performance sports car that is sure to impress on both the street and the track.